GSC C-118595, Harrison Lake (Jurassic of Canada)

Also known as MVA(F)85-308

Where: British Columbia, Canada (49.3° N, 121.8° W: paleocoordinates 36.7° N, 56.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Francis Lake Member (Harrison Lake Formation), Bifrons (182.0 - 175.6 Ma)

• The three ammonite genera, if correctly identified, have overlapping ranges suggesting an Early Jurassic (Middle Toarcian) age for the locality equivalent to the Bifrons Zone of Europe.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous siltstone

• Well bedded calcareous siltstone and shale

Size class: macrofossils

Reposited in the GSC

Primary reference: A. J. Arthur, P. L. Smith, J. W. H. Monger and H. W. Tipper. 1993. Mesozoic stratigraphy and Jurassic paleontology west of Harrison Lake, southwestern British Columbia. Geological Survey of Canada Bulletin 441:1-62 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185049: authorized by Matthew Clapham, entered by Matthew Clapham on 08.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Cephalopoda
 Ammonitida - Phymatoceratidae
 Ammonitida - Hildoceratidae
 Ammonitida - Dactylioceratidae
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
"Fish skeletons"